1 files changed, 91 insertions, 0 deletions
diff --git a/sys/kgssapi/gss_delete_sec_context.c b/sys/kgssapi/gss_delete_sec_context.c
new file mode 100644
index 0000000..e1582a2
--- /dev/null
+++ b/sys/kgssapi/gss_delete_sec_context.c
@@ -0,0 +1,91 @@
+/*-
+ * Copyright (c) 2008 Isilon Inc http://www.isilon.com/
+ * Authors: Doug Rabson <dfr@rabson.org>
+ * Developed with Red Inc: Alfred Perlstein <alfred@freebsd.org>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+#include <sys/param.h>
+#include <sys/kernel.h>
+#include <sys/kobj.h>
+#include <sys/malloc.h>
+
+#include <kgssapi/gssapi.h>
+#include <kgssapi/gssapi_impl.h>
+
+#include "gssd.h"
+
+OM_uint32
+gss_delete_sec_context(OM_uint32 *minor_status, gss_ctx_id_t *context_handle,
+	gss_buffer_t output_token)
+{
+	struct delete_sec_context_res res;
+	struct delete_sec_context_args args;
+	enum clnt_stat stat;
+	gss_ctx_id_t ctx;
+
+	if (!kgss_gssd_handle)
+		return (GSS_S_FAILURE);
+
+	if (*context_handle) {
+		ctx = *context_handle;
+
+		/*
+		 * If we are past the context establishment phase, let
+		 * the in-kernel code do the delete, otherwise
+		 * userland needs to deal with it.
+		 */
+		if (ctx->handle) {
+			args.ctx = ctx->handle;
+	
+			bzero(&res, sizeof(res));
+			stat = gssd_delete_sec_context_1(&args, &res, kgss_gssd_handle);
+			if (stat != RPC_SUCCESS) {
+				*minor_status = stat;
+				return (GSS_S_FAILURE);
+			}
+
+			if (output_token)
+				kgss_copy_buffer(&res.output_token,
+				    output_token);
+			xdr_free((xdrproc_t) xdr_delete_sec_context_res, &res);
+
+			kgss_delete_context(ctx, NULL);
+		} else {
+			kgss_delete_context(ctx, output_token);
+		}
+		*context_handle = NULL;
+	} else {
+		if (output_token) {
+			output_token->length = 0;
+			output_token->value = NULL;
+		}
+	}
+
+	*minor_status = 0;
+
+	return (GSS_S_COMPLETE);
+}